General

  • Target

    ur0Wh1IXZqT3XDP.zip

  • Size

    427KB

  • Sample

    220723-f8hxzacfaj

  • MD5

    cdf6218ca670e8ca9f988570518601e2

  • SHA1

    74cb700f31e657f2bc3ae6143b3bf23b7538921f

  • SHA256

    7c2cab5c4ff191f935293bf1625e73da3fd2b025b335fe075a186e8c9672dc45

  • SHA512

    01074dbf4b738b0b5ede81b297583a7f37d671d9dfbc8fa51c8019c80554b4f17f54216b7c8cd4d75af4e096c839d950947dfc5ed6a6770e223d5b6f79078357

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

zzun

Decoy

JnNtRHyNupy0GqRzAcasu7hb4rc=

Qv593NGLE7p9UNSaVkPXljAJm2QCNnc=

ePArIFWvjkkMgVEVhw4M4Jk=

26rqUwJ7dD0AiDI=

pBAxMHeK741QFw==

kHD7TPt5846pUMTX

56UnjFjHL1i0j659h3LymRnHpQj+SshC

4vKlKHflPqmWXRbrRwfPtrhb4rc=

6LBd4qButFAi

phMzGll8Ue7Fu+inq5cdnPaSugG3

NKswiQGCvZoG5FgsdHEI

rtTHnuUY8M1qVcXV

SOmECrlAt2oGAA==

L1ep9adutFAi

/UE+/AyvE6uEl28weFI=

IP+xMPQxJR4NE6TK

xvW5GN9/rqA5YUoOVt185Sf7Uw==

fRFNW9DhxL6VF7LA

KFYTfkaY741QFw==

W4JGvMBmt2oGAA==

Targets

    • Target

      ur0Wh1IXZqT3XDP.exe

    • Size

      495KB

    • MD5

      389205cb7d0e4aff8ced73933cb8c540

    • SHA1

      7feda5387f15dd58f5479184c698811fd829604e

    • SHA256

      b4a7371bb84b4f72e390e8f247a7978f2c2ff173d555261442151ef918cdb969

    • SHA512

      0ef5eb7aec2c239ba58ede1149874f2e4795ef33edad824e289d37c9b7bf639262306ac569be8b832c69a90eaabb3bda812efc009fb2a9b11eb41cc21cfb7703

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

    • Xloader

      Xloader is a rebranded version of Formbook malware.

    • suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata: ET MALWARE FormBook CnC Checkin (GET)

    • Xloader payload

    • Adds policy Run key to start application

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Tasks